My Math Forum  

Go Back   My Math Forum > High School Math Forum > Trigonometry

Trigonometry Trigonometry Math Forum


Reply
 
LinkBack Thread Tools Display Modes
October 6th, 2012, 10:01 AM   #1
Newbie
 
Joined: Oct 2012

Posts: 13
Thanks: 0

Simplify trig equation

cot(2arcsinx)
Please help, thanks in advance
nubshat is offline  
 
October 6th, 2012, 10:07 AM   #2
Senior Member
 
MarkFL's Avatar
 
Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 12,204
Thanks: 511

Math Focus: Calculus/ODEs
Re: Simplify trig equation

Using the double-angle identity for cotangent, we may write:





Can you finish?
MarkFL is offline  
October 6th, 2012, 10:14 AM   #3
Newbie
 
Joined: Oct 2012

Posts: 13
Thanks: 0

Re: Simplify trig equation

Quote:
Originally Posted by MarkFL
Using the double-angle identity for cotangent, we may write:





Can you finish?
Would you just multiply cot(arcsinx) by 2?
nubshat is offline  
October 6th, 2012, 10:18 AM   #4
Senior Member
 
MarkFL's Avatar
 
Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

Posts: 12,204
Thanks: 511

Math Focus: Calculus/ODEs
Re: Simplify trig equation

No, you want to substitute for into:



Using:

MarkFL is offline  
October 6th, 2012, 11:13 AM   #5
Newbie
 
Joined: Oct 2012

Posts: 13
Thanks: 0

Re: Simplify trig equation

Quote:
Originally Posted by MarkFL
No, you want to substitute for into:



Using:

Got it thank you very much
nubshat is offline  
Reply

  My Math Forum > High School Math Forum > Trigonometry

Tags
equation, simplify, trig



Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Differentiate and simplify trig function ckooiker Calculus 6 October 27th, 2011 11:10 AM
please confirm trig identity answer.expand, simplify & prove sneijder Algebra 2 April 8th, 2011 12:30 PM
Simplify trig expression masters Algebra 2 March 25th, 2011 09:37 AM
simplify trig function bigwave Algebra 2 October 20th, 2009 10:15 AM
SIMPLIFY TRIG SNAIKO Algebra 12 January 21st, 2007 06:04 AM





Copyright © 2018 My Math Forum. All rights reserved.